某地铁站厅不同送回风方式的气流组织数值模拟和分析.pdfVIP

28 2010 1 * 沈 凯 , 吴喜平, 宋 洁, 张君瑛, 张 琛 ( 同济大学, 上海 200092) , , , CFD , , , Numerica l s im u lat ion and ana lys is of a ir d istribut ion in subw ay stat ion AC systems Shen K ai* , W u X iping, Song Jie, Zhang Juny ing, Zhang Chen, ( TongjiU niver ity, Shanghai 200092, Ch ina) Ab stract N ow there are two d ifferentm ode of air d i tribution in air cond ition ing y tem u ed in ubw ay tation: one ofwh ich d i charging air from one ide of the tation hall and return ing air into the another ide of the hall, and the other di charg ing air from both ide of the hall and return ing air into the m idd le of the hallD ifferentm ode of air di tribution are awl ay adopted in different build ing tructure H ow ever, ince the pace of a ubw ay tation i large them ode of air di tribution are awl ay inappropr iate w hich lead to bad air di tribution In th i paper, w e take a ubway tation for in tance to mi ulate and compare the air tream characteri tic of tw o different m ode of air di tribution by Com putation F lu id Dynam ic ( CFD ) m ethod, and evaluate the effect of wt o d ifferent m ode on all hand Itw ill prov ide a reference for further re earch and de ign later Keywords ubw ay tation; m ode of air d i tribution; air tream character i tic; mi u lation 0 , , 1 , , , 11 , , , , , , , , , : , : 75m (, * : ( 1984 - ) , , , : : 1239 418 , : 200092: gen eral k@ 163com 20 10 1